វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
frustrates
is a form of:
Telegraphy
noun
1.
(the
operation
of
telegraph
apparatus
, the
process
of
communication
by
telegraph
)
ទូរលេខសាស្ដ្រ
2.
(បច្ចេកទេស)
ទូរលេខសាស្រ្ត
ENGLISH MEANING
noun
1.
The
science
or
art
of
constructing
, or of
communicating
by
means
of,
telegraphs
; as,
submarine
telegraphy.